document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=348108>Question 348108</A>: <I><SPAN STYLE=\"word-break: break-all;\"> It takes a computer 8 days to print all of personalized letters for a national sweepstakes. A new computer is purchased that can do the same job in 5 days. How long would it take to do the job with both computers working on it? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #248918 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=248918\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It takes a computer 8 days to print all of personalized letters for a national sweepstakes. A new computer is purchased that can do the same job in 5 days. How long would it take to do the job with both computers working on it?<BR>\n" );
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document.write( "Older computer rate = 1/8 job/day<BR>\n" );
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document.write( "new computer rate = 1/5 job/day<BR>\n" );
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document.write( "Let together rate = 1/x<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "rate + rate = together rate<BR>\n" );
document.write( "1/8 + 1/5 = 1/x<BR>\n" );
document.write( "5x + 8x = 40<BR>\n" );
document.write( "13x = 40<BR>\n" );
document.write( "x = 40/13 = 3.08 days (time working together)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );